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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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While descending from 16000 ft to 11000 ft the reporter heard a ZME clearance to descend to 8000 ft. About 13000 ft on handoff to ZTL the flight reported descending to 8000 ft. ZTL questioned the clearance to 8000 ft. On checking with ZME, ZTL said the flight was not cleared to 8000 ft but to remain at 8000 ft.
| Attributes | |
| ACN | 332160 |
| Time | |
| Date | 199603 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : gad |
| State Reference | AL |
| Altitude | msl bound lower : 10000 msl bound upper : 16000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zme tower : dfw |
| Make Model Name | Turbo Commander 690C |
| Operating Under FAR Part | Part 91 |
| Person 1 | |
| Affiliation | Other |
| Function | other personnel other |
| Qualification | pilot : commercial pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 130 flight time total : 550 flight time type : 7 |
| ASRS Report | 332160 |
| Person 2 | |
| Affiliation | Other |
| Function | oversight : pic |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : far non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While descending from 16000 ft MSL to 11000 ft MSL, ZME cleared our aircraft to continue descent to 8000 ft MSL. Approximately upon reaching 13000 ft MSL we were handed off to ZTL. After descending through 10000 ft MSL, ZTL queried us about our assigned altitude. We responded that we had been cleared for descent to 8000 ft MSL, but asked ZTL to verify this with ZME. ZTL then notified us that we had not been cleared from 11000 ft MSL to 8000 ft MSL by ZME, but that we could now remain at 8000 ft MSL. I believe this occurrence could have been prevented if ZME would have corrected us when we repeated that we were cleared from 11000 ft MSL to 8000 ft MSL.
Original NASA ASRS Text
Title: WHILE DSNDING FROM 16000 FT TO 11000 FT THE RPTR HEARD A ZME CLRNC TO DSND TO 8000 FT. ABOUT 13000 FT ON HDOF TO ZTL THE FLT RPTED DSNDING TO 8000 FT. ZTL QUESTIONED THE CLRNC TO 8000 FT. ON CHKING WITH ZME, ZTL SAID THE FLT WAS NOT CLRED TO 8000 FT BUT TO REMAIN AT 8000 FT.
Narrative: WHILE DSNDING FROM 16000 FT MSL TO 11000 FT MSL, ZME CLRED OUR ACFT TO CONTINUE DSCNT TO 8000 FT MSL. APPROX UPON REACHING 13000 FT MSL WE WERE HANDED OFF TO ZTL. AFTER DSNDING THROUGH 10000 FT MSL, ZTL QUERIED US ABOUT OUR ASSIGNED ALT. WE RESPONDED THAT WE HAD BEEN CLRED FOR DSCNT TO 8000 FT MSL, BUT ASKED ZTL TO VERIFY THIS WITH ZME. ZTL THEN NOTIFIED US THAT WE HAD NOT BEEN CLRED FROM 11000 FT MSL TO 8000 FT MSL BY ZME, BUT THAT WE COULD NOW REMAIN AT 8000 FT MSL. I BELIEVE THIS OCCURRENCE COULD HAVE BEEN PREVENTED IF ZME WOULD HAVE CORRECTED US WHEN WE REPEATED THAT WE WERE CLRED FROM 11000 FT MSL TO 8000 FT MSL.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.